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A study has indicated that the sample size necessary to estimate the average electricity use by residential customers of a large western utility company is 900 customers. Assuming that the margin of error associated with the estimate will be ±30 watts and the confidence level is stated to be 90 percent, what was the value for the population standard deviation?
Delegate
To entrust a task or responsibility to another person, typically one who is less senior than oneself.
Licensed Practical Nurse
A nurse who has completed the necessary training and licensure to provide basic medical care under the supervision of a registered nurse or physician.
Charge Nurse
A registered nurse responsible for managing a specific area of a healthcare facility during their shift, overseeing patient care and staff activities.
Unit Nurse Manager
A registered nurse who is responsible for overseeing all aspects of patient care within a specific unit or department of a healthcare facility, including staff management and administrative duties.
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